Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Kd3 win in 5 half-moves
4 Rb4 win in 5 half-moves
5 Rb6 win in 9 half-moves
6 Rb7 win in 11 half-moves
7 Ke1 draw
8 Rb8 draw
9 Rc1 draw
10 Kd2 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Kc1 loss in 1 half-moves
22 Kc2 loss in 1 half-moves